CN101511639B - Trailer with adjustable elevation - Google Patents
Trailer with adjustable elevation Download PDFInfo
- Publication number
- CN101511639B CN101511639B CN2007800272752A CN200780027275A CN101511639B CN 101511639 B CN101511639 B CN 101511639B CN 2007800272752 A CN2007800272752 A CN 2007800272752A CN 200780027275 A CN200780027275 A CN 200780027275A CN 101511639 B CN101511639 B CN 101511639B
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- CN
- China
- Prior art keywords
- chassis
- trailer
- rod assembly
- wheel
- installation component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/061—Foldable, extensible or yielding trailers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/02—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element
- B60P1/027—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with parallel up-and-down movement of load supporting or containing element with relative displacement of the wheel axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/062—Trailers with one axle or two wheels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A trailer having adjustable elevation is provided which includes a chassis 1 connected with a draw bar assembly 2 by a first linkage means, operating means 8 provided to raise or lower the chassis 1 relative to the draw bar assembly 2, second linkage means connecting pivotal wheel-mount assemblies 4 with the draw bar assembly 2 so that lowering and raising the chassis 1 provides a respective raising, and lowering of the wheel-mount assemblies 4 so that they can be retracted above the chassis 1, the first linkage means including a plurality of link arms 3 adapted to form a substantial parallelogram linkage, between the draw bar assembly 2 and the chassis 1, whereby the draw bar assembly 2 is permitted an arcuate range of motion relative to the chassis 1 whilst remaining substantially parallel therewith to enable the chassis to be engaged with the ground.
Description
Technical field
The present invention relates to field of vehicle trailers.The invention particularly relates to a kind of trailer, it can be fallen with convenient easily loads, rises again then to be used for traction.
Background technology
Trailer generally is used for transport goods over long distances.Term " trailer " is used in reference to cause vehicle towed arbitrary dimension or shapes of containers in this manual.Needed gap means that the deck of trailer will raise much between the bottom surface of ground and trailer chassis, and this makes and is difficult to the article big and/or heavy to the trailer loading and unloading.
Therefore trailer has pivot point usually, and the deck can be around this pivot point certain angle, thereby makes the deck rearward end downward-sloping with convenient loading and unloading more easily, and trailer chassis can the maintenance level and is attached on the vehicle guaranteeing and stablizes simultaneously.Yet this solution is unsatisfactory, loads and/or the unloading large numbers of items because the bevelled trailer deck is inappropriate for.
The solution of a kind of improvement of this problem provides a kind of mechanism, thus the wheel deck of falling trailer relatively parallel to the groundly.Under the ideal situation, this mechanism should allow undersurface of bottom disc to fall to putting and lean against ground degree so that trailer deck in addition with the ground basic horizontal.This will provide highly stable loading platform, and article can be pulled to or push-jump to the deck through handcar, hand barrow, chassis or analogue simply.
Main difficulty in that design runs in this mechanism is: when falling and rise; Pull bar should keep being attached on the draw bar of towing vehicle guaranteeing to be stablized; And the wheel of trailer, wheel shaft and suspended rack assembly etc. must be retracted on the bottom surface on chassis, and the structural strength of keeping trailer simultaneously is enough to bear heavier load.
The applicant's the unknown can with towing vehicle on the standard draw bar without transforming be parallel to the trailer that ground level is fully reduced to the deck on ground, ground in attached.
For example, the Patent No 6,592,139 of Shanahan discloses a kind of trailer that raises with scalable framework or chassis, and the withdrawal of framework and stretching out causes the wheel installation component to pivot thus, thereby makes wheel raise with respect to framework respectively and fall.Pull bar is fixed with respect at least a portion of framework, therefore and framework together fall and raise.For keeping trailer parallel to the ground, need be on towing vehicle through the draw bar of transforming, as Figure 12 of Shanahan is shown specifically.Because this design, when falling trailer, this is less to the stability of strutting system of trailer through the draw bar of transforming.When being connected, can not realize that the parallel of trailer fall without the draw bar of transforming.
The australian patent application No 2005200640 that name is called " trailer " discloses a kind of trailer, and it has the pull bar that is attached in pivotly on support frame or the chassis, and acts on the hydraulic actuating cylinder between rod assembly and each wheel support members.The withdrawal of hydraulic actuating cylinder causes wheel support members and pull bar to pivot, thereby the chassis is fallen towards ground.Yet this solution is unsatisfactory.
Therefore; Target of the present invention provides a kind of trailer with deck; Its tween deck can be fallen in attached with towing vehicle and risen easily, thereby overcomes or improve at least a defective of prior art, perhaps is at least the public a kind of effective selection is provided.
Summary of the invention
According to an aspect of the present invention, trailer has: through first connecting device and rod assembly bonded assembly chassis; Setting is used for respect to the rod assembly rise or falls the handling device on chassis; Be located at the ground engagement conveying arrangement on the both sides, chassis; Second connecting device, its fabricated section with each conveying arrangement link to each other with assembly so that the falling and rise the corresponding rise that conveying arrangement is provided and fall of chassis, thereby make the fabricated section of each conveying arrangement and said assembly can be recovered to the trailer chassis top; First connecting device comprises a plurality of link arm; It is suitable between rod assembly and chassis, forming substantially parallel tetragonal connecting rod; Allow the motion of rod assembly thus, keep substantially parallel with the chassis simultaneously so that the chassis can ground-engaging with respect to the arc scope on chassis.
According on the other hand, the present invention can state a kind of transport vehicle synoptically as, and it comprises:
Trailer chassis, it has front end, both sides and rear end;
Rod assembly, one of which end have draw bar and receive attaching parts, are used in use trailer being attached in the draw bar of vehicle;
A plurality of link arm; It is pivotably connected to the front end of rod assembly and trailer chassis at place, relative end, thus at the connecting rod that forms parallelogram substantially between rod assembly and the trailer chassis in case rod assembly can maintenance with move through vertical basically camber line with respect to the chassis when the chassis is substantially parallel;
At least one pair of wheel installation component, it is pivotably mounted on the opposite side of trailer chassis;
Wheel, it is rotatably installed and maybe can be installed on the corresponding wheel installation component, and in use can be around the axis rotation of the pivot point that departs from the wheel installation component;
Handling device, it is located between rod assembly and the trailer chassis, and trailer chassis can be fallen and risen with respect to rod assembly and wheel thus; And
At least one connecting device, its wheel installation component with trailer chassis is connected to rod assembly, so that when falling the chassis with respect to pull bar, wheel installation component and wheel pivot and are recovered to the top, bottom surface of trailer chassis around pivot point.
Preferably, link arm and/or connecting device are connected with the chassis with rod assembly on the opposite side of chassis and rod assembly in couples.
Preferably, rod assembly is constructed substantially into the shape of A type frame pull bar.
Preferably, latching device is being set so that trailer is fixed on the advanced positions of rise between rod assembly and the trailer chassis.
Preferably, latching device comprises and is used for chassis and wheel installation component are fixed on the locking pin on the correct position.
Preferably, locking pin can be taken out by magnet coil, thereby allows to fall trailer chassis.
Preferably, handling device comprises bidirectional hydraulic piston.
As replacement, handling device can comprise any other bidirectional force enlarger, such as mechanical lever and ratchet system, worm gearing, winch or analogue.
Perhaps, the wheel installation component comprises independently suspended rack assembly respectively.
Preferably, the wheel installation component comprises mudwing respectively.
Preferably, wheel is rotatably installed on the wheel installation component through minor axis.
Preferably, one or more hydraulic stabilizer pistons (ram) are installed to chassis or rod assembly, and in use the stabiliser piston can be fallen to support the trailer front end thus.
Preferably, the part on deck is downward-sloping to help the loading and unloading of trailer towards chassis rear end.
According on the other hand, the present invention can state cover parts that are used for the existing trailer with chassis and rod assembly is escalated into height-adjustable trailer synoptically as, and it comprises:
A plurality of link arm; It is used for being connected with trailer chassis with rod assembly pivotly at place, relative end, thus at the connecting rod that forms the cardinal principle parallelogram between rod assembly and the trailer chassis in case rod assembly can maintenance with move through vertical basically camber line with respect to the chassis when the chassis is substantially parallel;
At least one pair of wheel installation component, it is pivotably mounted on the opposite side of trailer chassis, and wheel can be installed on the wheel installation component through minor axis;
Handling device, it is located between rod assembly and the trailer chassis, and trailer chassis can be fallen and risen with respect to rod assembly and wheel thus; And
At least one connecting device is connected to rod assembly with the wheel installation component, so that when falling the chassis with respect to pull bar, the wheel installation component pivots and is recovered to above the bottom surface of trailer chassis.
Preferably, each wheel installation component comprises independently suspended rack assembly.
According on the other hand, the present invention includes a kind of trailer, it is basically as in this article with reference to as described in the Fig. 1 and 2 in the accompanying drawing, Fig. 3-6 or Fig. 7-11.
According on the other hand, the present invention includes cover parts, it is basically as in this article with reference to as described in the Fig. 1 and 2 in the accompanying drawing, Fig. 3-6 or Fig. 7-11.
Of the present invention many-sided, it should consider obtaining aspect its all novelty, will be from reference to becoming obvious accompanying drawing and the following description that provides by way of example.
Description of drawings
Only present invention is described by way of example referring now to accompanying drawing, wherein:
Fig. 1 is that the axle that waits of the first embodiment of the present invention is surveyed view;
Fig. 2 is a series of lateral projections view of embodiment shown in Figure 1, and it shows falling of trailer chassis;
Fig. 3 is the angle projection figure of another embodiment of the present invention;
Fig. 4 is that the axle that waits of embodiment shown in Figure 3 is surveyed a view, and wherein the chassis is in and falls the position;
Fig. 5 is a series of lateral projections view of the embodiment shown in Fig. 3 and 4, and it shows falling of trailer chassis;
Fig. 6 is that the axle that waits of the embodiment shown in Fig. 3-5 is surveyed view;
Fig. 7 is that the axle that waits of the preferred embodiments of the present invention is surveyed view, and it illustrates and is on the raised position;
Fig. 8 is the angle projection figure of embodiment shown in Figure 7;
Fig. 9 be Fig. 7 and 8 embodiment etc. axle survey view, it illustrates to be in falls on the position;
Figure 10 is that the axle that waits of the bottom surface of the embodiment shown in Fig. 7-9 is surveyed view, and it illustrates to be in falls on the position;
Figure 11 is the angle projection figure of the embodiment of Fig. 7-10, and it illustrates to be in falls on the position.
The specific embodiment
Present invention is described by way of example below.Run through whole specification sheets, identical reference number will be used to the identical characteristic of indication in various embodiment.
Referring to Fig. 1, show transport vehicle according to the belt wheel of the first embodiment of the present invention.In this embodiment, the present invention is by the sulky vehicle of power car traction with shipping goods.Trailer is illustrated and is on the raised position.Though in each embodiment, all illustrate on " wheel ", should recognize as replacement and can use other ground engagement device (such as crawler belt), and this term should have implication more widely when being used for this specification sheets.
Referring now to Fig. 2,, a series of lateral projections view of same embodiment of the present invention shows and is in rise, falls the position and between rising, fall the trailer on three midways location between the position.Operating mechanism 8 is installed to rod assembly 2 and chassis 1, and in this embodiment, operating mechanism 8 is illustrated and comprises the armstrong's patent ratchet lever 8A that combines with hydraulic piston.As replacement, mechanism 8 can comprise conspicuous to those skilled in the art any suitable mechanism, such as electrical motor or manual worm drive cylinder, hydraulic actuating cylinder or winch.Operating between rod assembly 2 and the chassis 1 of this handle applies application force, so as through link arm 3 pushing drawing rod assemblies 2 along camber line away from chassis 1 and with respect to chassis 1 upward movement.Simultaneously, mechanical linkage 9 causes wheel installation component 4 to pivot around pivot point 5 so that wheel 7 around pivot point 5 along the camber line upward movement.
Such effect is the gap that has reduced between ground and the chassis 1, and pull bar keeps basic horizontal on basic unmodified height simultaneously.Therefore, trailer can remain connected to the standard draw bar of towing vehicle when falling.In case wheel 7 is completely retracted into the bottom surface top on chassis 1, the chassis is put on the position that bending is fallen and is leaned against on the ground, thereby conveniently like a cork goods is loaded onto the deck 10 of trailer and/or 10 unload from the deck.The part of being represented by 10A on deck 10 can be downward-sloping towards chassis rear end, so that can be easily that handcar, hand barrow, chassis or analogue is push-jump to deck 10.The operation that the edge of mechanism 8 oppositely applies application force has opposite effect; Link arm 3 promotes chassis 1 towards rod assembly 2 along the camber line that makes progress; Simultaneously mechanical linkage 9 causes wheel installation component 4 to pivot and wheel 7 is fallen along camber line around pivot point 5, thereby the gap that increases between ground and the chassis 1 reaches raised position or traveling mode until trailer.
Referring now to Fig. 3,, the transport vehicle of belt wheel according to another embodiment of the present invention is illustrated and is on the raised position.In this embodiment, the present invention is by the four wheeler of power car traction with shipping goods.
In this embodiment, the handling device that is used between rod assembly and chassis, applying two-way function power can comprise double acting hydraulic cylinder 8.Preferably, hydraulic actuating cylinder is operated by motor-drive pump, and perhaps as replacement, hand lever can be used to the pressure fluid of pumped liquid cylinder pressure.In addition, other replacement mechanism or structure also will be conspicuous to those skilled in the art.Yet, will recognize that this embodiment is used to carry heavier goods, and therefore preferred motor-drive pump and hydraulic actuating cylinder.
Embodiment in this accompanying drawing has four wheels installation component 4 and four wheels 7.Can above the wheel 7 mudwing 14 be attached on each wheel installation component 4 basically.Mechanical linkage 9 on each side of chassis is connected to rod assembly 2 with wheel installation component 4, and rod assembly 2 is connected to chassis 1 through four link arm again.
Same embodiment in Fig. 4 with etc. axle survey view and illustrate.This view shows to be in falls locational trailer, and wherein the piston of hydraulic actuating cylinder 8 stretches out fully, and wheel 7 is recovered to the top, bottom surface on chassis 1.
Referring now to Fig. 5,, shows to be in and rise fully and fall the position and between rising and falling the of the present invention same embodiment on three midways location between the position.Trailer at first is illustrated and is under raised position or the traveling mode, and can be fallen through hydraulic actuating cylinder 8 or the operation of replacing mechanism or structure.Stretching out along downward camber line of the piston of hydraulic actuating cylinder promotes chassis 1 away from rod assembly 2.The motion of the mechanical linkage 9 between chassis 1 and the rod assembly 2 causes the wheel installation component to pivot around pivot point 5, puts until chassis 1 and leans against on the ground thereby regain wheel 7 along the camber line that makes progress.
Referring now to Fig. 6,, another axle such as grade that shows the embodiment of Fig. 3-5 is surveyed view, and wherein wheel 7 is removed so that wheel installation component 4 to be shown with one of mudwing 14, and this wheel installation component comprises minor axis 13 and suspended rack assembly 6.Fig. 6 also shows locking pin 15, and this locking pin can be used under traveling mode wheel installation component and rod assembly are fixed on the chassis to prevent that chassis accident in transportation from falling.Locking pin 15 can manually take out, or for example utilize switch and magnet coil is remote takes out to allow trailer chassis to fall.
In order when not being connected with towing vehicle, to support, trailer can also have one or more hydraulic stabilizer trailer jack in the form of piston or analogue, and it is attached to chassis or rod assembly when stretching out, to support the trailer front end.If the stabiliser piston is attached to the chassis, can imagine piston will be respectively when trailer is fallen and rise automatic drawing back with stretch out, thereby stability and safety when in operating process, stablize trailer and not being connected with towing vehicle with improvement.
The preferred embodiments of the present invention are illustrated in Fig. 7-8 and are in raised position, fall the position and in Fig. 9-11, be illustrated to be in.From these figure, can find out that link arm 3 is located on the opposite side of trailer in pairs, thereby between chassis 1 and pull bar 2, form the pair of parallel quadrilateral connecting rod.This parallelogram connection-rod allows to utilize operating mechanism 8 to make rod assembly 2 disengaging chassis 1 and leaves along the camber line that makes progress basically.The displacement that rod assembly 2 carries out by this way upwards pivots wheel installation component 4.In use, fall earthward on chassis 1, simultaneously pull bar keep with ground at a distance of basic unmodified distance, regains fully and the while chassis is put and leaned against on the ground until wheel 7, shown in Fig. 9-11.When chassis 1 was fallen and/or risen, rod assembly 2 kept substantially parallel with ground with chassis 1.
Though invention has been described to the trailer of transport vehicle, those skilled in the art will recognize that the present invention can also through existing trailer is upgraded one overlap parts form be suggested.These cover parts are usually included in a plurality of link arm 3, at least one pair of wheel installation component 4 of forming parallelogram connection-rod between pull bar 2 and the chassis 1 of existing trailer, be used to fall and rise the handling device 8 of trailer chassis and the connecting device that is used for the wheel installation component is connected to rod assembly.
From foregoing, will see a kind of elevated trailer is provided, it can be fallen with convenient the loading also can be raised to traveling mode, and the load that carrying maybe be heavier simultaneously is to transport.This trailer can be connected with any standard or the substandand draw bar of towing vehicle, and in operating process, keeps substantially parallel with ground.
Though invention has been described by way of example, should recognize to make without departing from the present invention to change and improvement.In addition, exist at special characteristic under the situation of known equivalents, this equivalent is merged in, that kind of being mentioned especially in this manual as it.
When being used for this specification sheets, word " comprises " and is used in this article with including property but not exclusive mode makes an explanation such as " comprising " or modification such as " just comprising ", promptly is interpreted into " including but not limited to ".
Run through this specification sheets, any discussion about prior art should not be regarded as the part of admitting at large that this prior art is known or constituting the common practise in this field of any country.
Claims (14)
1. trailer, said trailer comprises: through first connecting rod and rod assembly bonded assembly chassis; Operating mechanism, said operating mechanism can be operated so that between rod assembly and chassis, work, thereby rise or fall the chassis with respect to rod assembly; The wheel installation component, said wheel installation component is located on the both sides, chassis; Wheel, each wheel is installed on the respective wheel installation component, and can the axis rotation of pivot point be installed around departing from wheel; Second connecting rod, said second connecting rod links to each other each wheel installation component with said rod assembly so that said fall and rise the chassis the corresponding rise of wheel be provided and fall; Said first connecting rod comprises a plurality of link arm; Said a plurality of link arm forms parallelogram connection-rod between rod assembly and chassis; Said rod assembly and chassis form the basic of parallelogram connection-rod and vertically connect; Thus, allow rod assembly keeping and carrying out the motion of basic vertical arc scope with respect to the chassis when the chassis is substantially parallel, so that the chassis can ground-engaging.
2. trailer as claimed in claim 1, wherein: said link arm is connected with the chassis with rod assembly on the opposite side of chassis and rod assembly in couples.
3. trailer as claimed in claim 1, said trailer also comprise and are located between rod assembly and the trailer chassis and are suitable for trailer is fixed on the locking pin on the advanced positions of rise.
4. trailer as claimed in claim 1, said trailer also comprises: one or more hydraulic stabilizer pistons, said hydraulic stabilizer piston is installed on chassis or the rod assembly, and thus, in use, the hydraulic stabilizer piston is fallen to support the front end of trailer.
5. transport vehicle, said transport vehicle comprises:
Trailer chassis, said trailer chassis has front end, both sides and rear end;
Rod assembly, said rod assembly one end have draw bar and receive attaching parts, are used in use trailer being attached to the draw bar of vehicle;
A plurality of link arm; Said a plurality of link arm is connected with rod assembly pivotly and is connected with the front end of trailer chassis at relative place, end; Thereby between rod assembly and trailer chassis, form parallelogram connection-rod; Wherein rod assembly and chassis form the basic of parallelogram connection-rod and vertically connect, so that rod assembly can keep and move through vertical basically camber line with respect to the chassis when trailer chassis is substantially parallel;
At least one pair of wheel installation component, said at least one pair of wheel installation component is pivotably mounted on the opposite side of trailer chassis;
Wheel, said wheel are installed to corresponding wheel installation component, and in use can be around the axis rotation of the pivot point that departs from the wheel installation component;
Operating mechanism, said operating mechanism are located between rod assembly and the trailer chassis, and thus, trailer chassis can be fallen and rises with respect to rod assembly and wheel; And
At least one mechanical linkage; Said at least one mechanical linkage is connected to rod assembly with the wheel installation component of trailer chassis; So that when falling the chassis with respect to rod assembly, wheel installation component and wheel pivot and are recovered to the top, bottom surface of trailer chassis around pivot point.
6. transport vehicle as claimed in claim 5, wherein: said link arm and/or mechanical linkage are connected with the chassis with rod assembly on the opposite side of chassis and rod assembly in couples.
7. transport vehicle as claimed in claim 5, wherein: said rod assembly is configured to be basically the pull bar shape of A type frame.
8. transport vehicle as claimed in claim 5; Said transport vehicle also comprises locking pin; Said locking pin is located between rod assembly and the trailer chassis and is suitable for rod assembly and wheel installation component are fixed on the trailer chassis, so that trailer is fixed on the advanced positions of rise.
9. transport vehicle as claimed in claim 8, wherein: said locking pin is taken out to allow to fall trailer chassis by magnet coil.
10. transport vehicle as claimed in claim 5, wherein: said operating mechanism comprises bidirectional hydraulic piston.
11. transport vehicle as claimed in claim 5; Said transport vehicle also comprises one or more hydraulic stabilizer pistons, and said one or more hydraulic stabilizer pistons are installed on chassis or the rod assembly, thus; In use, the hydraulic stabilizer piston is fallen to support the front end of trailer.
12. transport vehicle as claimed in claim 5, wherein: the part on deck is downward-sloping to help the loading and unloading of trailer towards chassis rear end.
13. a cover is used for the existing trailer with chassis and rod assembly is escalated into the parts of the trailer that can regulate height, said cover parts comprise:
A plurality of link arm; Said a plurality of link arm is used for being connected with the chassis with the rod assembly of trailer pivotally at relative place, end; Thereby between rod assembly and trailer chassis, form parallelogram connection-rod substantially; Wherein rod assembly and chassis form the basic of parallelogram connection-rod and vertically connect, so that rod assembly can keep and move through vertical basically camber line with respect to the chassis when the chassis is substantially parallel;
At least one pair of wheel installation component, said at least one pair of wheel installation component is used for being installed in pivotally the opposite side of trailer chassis, and wheel is installed on the wheel installation component through minor axis;
Operating mechanism, said operating mechanism are located between rod assembly and the trailer chassis, and thus, trailer chassis can be fallen and rises with respect to rod assembly and wheel; And
At least one connecting rod, said at least one connecting rod is connected to rod assembly with the wheel installation component, so that when falling the chassis with respect to rod assembly, the wheel installation component pivots and is recovered to above the bottom surface of trailer chassis.
14. cover parts as claimed in claim 13, wherein: each wheel installation component also comprises independently suspended rack assembly.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ547918A NZ547918A (en) | 2006-06-13 | 2006-06-13 | Trailer with adjustable elevation |
| NZ547918 | 2006-06-13 | ||
| PCT/NZ2007/000152 WO2007145537A1 (en) | 2006-06-13 | 2007-06-13 | Trailer with adjustable elevation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101511639A CN101511639A (en) | 2009-08-19 |
| CN101511639B true CN101511639B (en) | 2012-11-14 |
Family
ID=38831967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800272752A Expired - Fee Related CN101511639B (en) | 2006-06-13 | 2007-06-13 | Trailer with adjustable elevation |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8172248B2 (en) |
| CN (1) | CN101511639B (en) |
| AU (1) | AU2007259486A1 (en) |
| CA (1) | CA2655325A1 (en) |
| NZ (1) | NZ547918A (en) |
| WO (1) | WO2007145537A1 (en) |
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| CN111114415B (en) * | 2020-03-09 | 2024-05-31 | 安徽兴宇轨道装备有限公司 | Trolley of carriage trailer |
| CN112078464A (en) * | 2020-09-22 | 2020-12-15 | 潍坊拓普机械制造有限公司 | Transport trailer is picked in orchard |
| US11752915B1 (en) | 2022-05-09 | 2023-09-12 | Richard S. Burns, Sr. | Debris collection and transport cart and method of using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6135700A (en) * | 1998-09-04 | 2000-10-24 | Collins; Joe H. | Transport vehicle deck lowering mechanism |
| CN2625242Y (en) * | 2003-05-26 | 2004-07-14 | 崔永刚 | Small trailer |
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| US3700254A (en) * | 1971-07-06 | 1972-10-24 | Leonard F Eck | Trailer |
| US3883019A (en) * | 1973-09-04 | 1975-05-13 | Jr O Duane Hansen | Power actuated folding goose neck trailer |
| US3837665A (en) * | 1973-10-01 | 1974-09-24 | A Schramm | Elevatable trailer mechanism |
| GB1466113A (en) | 1975-04-28 | 1977-03-02 | Weeks Trailers Ltd | Self-loading trailers |
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| USRE32736E (en) * | 1984-04-20 | 1988-08-23 | Alignment system for vehicle load bed | |
| WO1986002326A1 (en) | 1984-10-13 | 1986-04-24 | Stadler Fahrzeugwerk Und Behälterbau Gmbh & Co. | Single-axle trailer |
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| RU2048359C1 (en) | 1992-12-17 | 1995-11-20 | Валерий Петрович Яковлев | Trailer |
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| AU2005200640A1 (en) | 2005-02-14 | 2006-08-31 | L & S Mcmahon Pty Ltd | Trailer |
-
2006
- 2006-06-13 NZ NZ547918A patent/NZ547918A/en not_active IP Right Cessation
-
2007
- 2007-06-13 CN CN2007800272752A patent/CN101511639B/en not_active Expired - Fee Related
- 2007-06-13 CA CA002655325A patent/CA2655325A1/en not_active Abandoned
- 2007-06-13 AU AU2007259486A patent/AU2007259486A1/en not_active Abandoned
- 2007-06-13 WO PCT/NZ2007/000152 patent/WO2007145537A1/en active Application Filing
- 2007-06-13 US US12/308,386 patent/US8172248B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6135700A (en) * | 1998-09-04 | 2000-10-24 | Collins; Joe H. | Transport vehicle deck lowering mechanism |
| CN2625242Y (en) * | 2003-05-26 | 2004-07-14 | 崔永刚 | Small trailer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007145537A1 (en) | 2007-12-21 |
| AU2007259486A1 (en) | 2007-12-21 |
| CN101511639A (en) | 2009-08-19 |
| US20100019469A1 (en) | 2010-01-28 |
| NZ547918A (en) | 2008-11-28 |
| US8172248B2 (en) | 2012-05-08 |
| CA2655325A1 (en) | 2007-12-21 |
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